Free URL to Domain Converter – Extract Domains from URLs | Bulk Domain Extractor

🔄

URL to Domain Converter

Extract domains, subdomains, and root domains from URLs instantly

📝

URL Input

💡 Enter one URL per line. The tool will extract domains based on your selected options.

Enter URLs (one per line)

Extraction Options

Extract Root Domain Only

Keep ‘www.’ in Results

Keep Protocol (http/https)

Remove Duplicates

Sort Results Alphabetically

Convert to Lowercase

Examples

https://www.example.com/page

→

example.com

https://blog.example.com

→

example.com

http://sub.domain.example.org

→

example.org

📊

Results

Total URLs

Extracted

Unique

Extracted Domains

🔄 What is a URL to Domain Converter?

A URL to Domain Converter is a free online tool that extracts domain names and subdomains from complete URLs. Instead of manually parsing URLs to get domain information, this tool automatically strips away protocols (http://, https://), paths, parameters, and other URL components, leaving you with clean domain names that you can use for analysis, reporting, or other purposes.

This professional tool is essential for SEO specialists analyzing backlink profiles, web developers managing domain lists, digital marketers tracking referral sources, and anyone who needs to extract domain information from large URL datasets. Whether you’re processing hundreds of URLs from analytics reports, creating disavow files for Google, or simply organizing website lists, our URL to domain converter handles bulk operations efficiently and accurately.

⚡ Bulk Processing

Process thousands of URLs instantly. No limits on the number of conversions.

🎯 Root Domain Extraction

Automatically extract root domains from subdomains. Perfect for SEO analysis.

🔒 100% Private

All processing happens in your browser. Your URLs never leave your device.

🆓 Completely Free

No registration, no limits, no fees. Use as much as you need, forever.

📖 How to Use the URL to Domain Converter

Converting URLs to domains is simple and straightforward with our tool:

Paste Your URLs: Copy your URLs and paste them into the input box, one URL per line. You can add as many URLs as needed.
Select Options: Choose your preferred extraction method – root domain only, keep www, keep protocol, etc.
Extract Domains: Click the “Extract Domains” button to process all URLs instantly.
Copy or Download: Copy the extracted domains to your clipboard or download them as a text file.

💡 Pro Tip:

Enable “Extract Root Domain Only” to consolidate all subdomains under their parent domains. This is especially useful for SEO backlink analysis where you want to count links per root domain rather than per subdomain.

✨ Key Features & Options

1. Extract Root Domain Only

This option extracts the root domain from any URL, removing all subdomains. Perfect for SEO analysis when you need to count unique domains rather than subdomains.

Input URL	Root Domain Output
`https://blog.example.com/post`	`example.com`
`https://www.subdomain.example.com`	`example.com`
`http://shop.example.co.uk/products`	`example.co.uk`

2. Keep ‘www.’ in Results

By default, the tool removes www. from domain names. Enable this option if you want to preserve the www subdomain in your results.

3. Keep Protocol (http/https)

Enable this to preserve the protocol in the extracted results. Useful when you need to maintain the full URL format or differentiate between HTTP and HTTPS domains.

4. Remove Duplicates

Automatically eliminates duplicate domains from your results. Essential when processing large lists where the same domain appears multiple times with different URLs or paths.

5. Sort Results Alphabetically

Organizes extracted domains in alphabetical order (A to Z). Makes it easier to review and analyze your domain list, especially for large datasets.

6. Convert to Lowercase

Ensures all extracted domains are in lowercase. Recommended for consistency since domain names are case-insensitive but may appear in mixed case in URLs.

🎓 Understanding URL Components & Domains

URL Structure Breakdown

A complete URL consists of several components:


                    https://subdomain.example.com:443/path/to/page?param=value#section

Protocol: https://
Subdomain: subdomain
Root Domain: example.com
Port: :443
Path: /path/to/page
Query String: ?param=value
Fragment: #section

Types of Domains

Domain Type	Example	Description
Root Domain	`example.com`	The base domain without subdomains
Subdomain	`blog.example.com`	A domain prefix to the root domain
WWW Subdomain	`www.example.com`	The traditional World Wide Web subdomain
Multi-level Subdomain	`api.v2.example.com`	Subdomains with multiple levels

Top-Level Domains (TLDs)

Our tool correctly handles all types of TLDs:

Generic TLDs: .com, .net, .org, .info, .biz
Country Code TLDs: .uk, .de, .fr, .jp, .cn
New gTLDs: .app, .dev, .blog, .shop, .tech
Special TLDs: .gov, .edu, .mil
Multi-part TLDs: .co.uk, .com.au, .co.jp

🎯 Common Use Cases & Applications

SEO Professionals & Link Builders

Extract domains from backlink reports for analysis
Create disavow files for Google Search Console
Analyze competitor backlink domains
Count unique linking root domains
Prepare domain lists for outreach campaigns
Clean up anchor text reports from SEO tools

Digital Marketers

Extract referral domains from Google Analytics
Analyze traffic source domains
Track affiliate partner domains
Monitor campaign referral sources
Create domain whitelists and blacklists
Analyze social media referral domains

Web Developers & System Administrators

Parse server log files for domain lists
Create domain-based access control lists
Extract domains from configuration files
Generate domain lists for firewall rules
Process URL lists from databases
Create DNS zone file entries

Content Managers & Editors

Extract domains from external links in content
Audit outbound links by domain
Create lists of cited sources
Organize reference materials by domain
Track affiliate link domains
Manage sponsored content domains

Data Analysts & Researchers

Clean URL datasets for analysis
Extract domains from web scraping data
Analyze domain distribution in datasets
Process URLs from research databases
Create domain frequency reports
Prepare data for visualization tools

🛡️ Creating Google Disavow Files

What is a Disavow File?

A disavow file is a text file you can upload to Google Search Console to tell Google to ignore certain backlinks when assessing your site. This is useful for removing bad or spammy links that could harm your SEO.

How to Create a Disavow File

Export Your Backlinks: Download your backlink report from Google Search Console or SEO tools like Ahrefs, SEMrush, or Moz
Extract Domains: Use our tool to extract root domains from the URLs. Enable “Extract Root Domain Only” option
Review Manually: Carefully review each domain. Only disavow links you’re certain are harmful
Format for Google: Add domain: prefix to each line (you can do this manually or with a text editor)
Upload to Google: Upload the file to Google Search Console’s Disavow Tool

⚠️ Important Warning:

Only use the disavow tool if you’re certain you have harmful links. Disavowing good backlinks can hurt your SEO. If you haven’t received a manual penalty notification from Google, you probably don’t need to disavow links. When in doubt, consult an SEO professional.

Disavow File Format

A properly formatted disavow file looks like this:


# Spammy domains to disavow
domain:spamsite1.com
domain:badlinks.net
domain:spammy-seo.org

# Individual URLs (use sparingly)
http://example.com/spam-page

📚 Best Practices & Tips

1. Choose the Right Extraction Mode

Use Root Domain Extraction when:

Counting unique linking domains for SEO
Creating disavow files
Analyzing domain diversity in backlink profiles
Consolidating subdomains under parent domains

Keep Subdomains when:

You need specific subdomain information
Analyzing different sections of large websites
Tracking subdomain-specific campaigns
Creating detailed referral reports

2. Always Remove Duplicates

When processing large URL lists, always enable “Remove Duplicates” to get accurate counts and cleaner results. This is especially important for SEO analysis where duplicate domains can skew metrics.

3. Use Lowercase Conversion

Domain names are case-insensitive, but they may appear in different cases in URLs. Always convert to lowercase for consistency and to ensure proper duplicate detection.

4. Validate Results

After extraction, quickly review a sample of results to ensure the tool extracted domains correctly, especially if working with unusual TLDs or international domains.

5. Keep Original URLs

Save your original URL list before extraction. This allows you to cross-reference results or re-process with different options if needed.

6. Process in Batches

For very large datasets (50,000+ URLs), consider processing in batches of 10,000-20,000 URLs for optimal performance and easier management.

❓ Frequently Asked Questions

What’s the difference between a domain and a subdomain?

A domain is the main address like example.com. A subdomain is a prefix to the domain like blog.example.com or shop.example.com. Subdomains are technically separate websites but under the same root domain. Our tool can extract either the full hostname (including subdomains) or just the root domain, depending on your needs.

Does this tool work with international domains and special characters?

Yes! The tool handles internationalized domain names (IDNs) with special characters, Unicode domains, and all country-code TLDs. It correctly processes domains in various languages and character sets including Cyrillic, Chinese, Arabic, and others.

Can I extract domains from URLs with parameters and anchors?

Absolutely! The tool automatically strips away query parameters (?param=value), URL fragments (#section), and paths, extracting only the domain information you need.

How many URLs can I process at once?

There’s no strict limit. The tool can handle thousands of URLs simultaneously. For optimal performance and browser stability, we recommend processing up to 50,000 URLs per batch. Larger datasets can be split and processed in multiple batches.

Is my data safe? Where are URLs processed?

Yes, your data is completely safe. All URL processing happens entirely in your web browser using JavaScript. Your URLs never leave your device, are never sent to our servers, and are never stored or logged anywhere. This ensures complete privacy and security for sensitive URL data.

What if my URLs don’t have http:// or https://

No problem! If URLs are missing protocols, the tool automatically adds https:// to parse them correctly. This allows you to paste plain domain names or partial URLs and still get accurate results.

Can I use this for SEO backlink analysis?

Yes! This is one of the most common uses. Enable “Extract Root Domain Only” to get unique linking domains from your backlink reports. This helps you count unique domains linking to your site, which is an important SEO metric. You can also use it to create disavow files for Google Search Console.

How do I handle complex TLDs like .co.uk or .com.au?

The tool automatically handles multi-part TLDs correctly. When extracting root domains from shop.example.co.uk, it will correctly return example.co.uk (not co.uk). The tool recognizes all official TLD patterns from the Public Suffix List.

Can I export results to Excel or CSV?

While the tool exports as plain text (.txt), you can easily import this into Excel, Google Sheets, or any spreadsheet software. Just copy the results or download the text file, then paste or import into your spreadsheet application. Each domain will be on its own line, making it easy to work with in data analysis tools.

What about IP addresses instead of domains?

The tool can process URLs with IP addresses (both IPv4 and IPv6). However, since IP addresses aren’t domains, the tool will extract the IP address itself. For example, http://192.168.1.1/page will extract 192.168.1.1.

Is this tool free forever?

Yes! The URL to Domain Converter is completely free with no hidden costs, no registration requirements, and no usage limits. Use it as much as you need for personal or commercial projects.

Can I use this tool offline?

Once you load the page, the tool works entirely in your browser with JavaScript. If you save the page to your computer, you can use it offline. However, you’ll need to be online to initially load the page and for any updates.

💡 Advanced Tips & Techniques

1. Batch Processing Large Datasets

For datasets with 100,000+ URLs:

Split your list into batches of 20,000-50,000 URLs
Process each batch separately
Combine results in a text editor or spreadsheet
Use “Remove Duplicates” on the final combined list

2. Creating Custom Filters

After extracting domains, use text editor features to filter results:

Find all .com domains: Search for “.com”
Find all subdomains: Search for domains containing more than one dot
Exclude specific domains: Use find-and-replace to remove unwanted entries

3. Combining with Other Tools

Use extracted domains as input for other tools:

Check domain authority with Moz or Ahrefs
Verify domain ownership with WHOIS lookups
Analyze domain age with domain age checkers
Check domain availability for registration

4. Regex Patterns for Post-Processing

Use regex in your text editor to further refine extracted domains:

Find .edu domains: \.edu$
Find .gov domains: \.gov$
Find country TLDs: \.[a-z]{2}$

🎓 Conclusion

The URL to Domain Converter is an essential tool for anyone working with URLs and domain data. Whether you’re an SEO professional analyzing backlinks, a digital marketer tracking referral sources, a web developer managing domain lists, or a data analyst processing web data, this tool streamlines the extraction process and saves valuable time.

With features like root domain extraction, subdomain handling, duplicate removal, and bulk processing capabilities, you have everything needed to efficiently convert URLs to domains at scale. The tool’s privacy-first approach ensures your sensitive URL data never leaves your browser, making it safe for working with confidential client data or proprietary link lists.

Start using the URL to Domain Converter today to simplify your workflow and extract domain information from URLs instantly. Bookmark this page for easy access whenever you need to process URL lists, create disavow files, or analyze domain data!

🔖 Bookmark This Tool

Press Ctrl+D (Cmd+D on Mac) to bookmark this page. Have instant access to professional domain extraction whenever you need to process URLs!